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Author Topic: pwm spindle control help needed  (Read 1539 times)

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Re: pwm spindle control help needed
« Reply #10 on: March 01, 2020, 01:17:24 PM »
Thanks for your help .
i have fixed the problem

the earth terminal on the vfd only had the earth connection to the motor and the sheilding of the control cable
i had not connected the earth from the power supply via the filter
i connected it up and it all works fine now with the full 10v and maximum speed